Carrying mechanism for adding-machines.



'No. 745,542. PATENTED DEC. 1, 1903 0. WALE S. CARRYING MECHANISM FORADDING MACHINES.

APPLICATION FILED SEPT. 17 1902.

N0 MODEL. 6 SHEBTSSHEET 1.

WITNESSES; I I [NVENTOR 126; mzes No. 745,542. PATENTED DEC. 1, 1903'.

0. WALES. CARRYING MECHANISM FOR ADDING MACHINES.

APPLICATION FILED SEPT. 17, 1902. N0 MODEL. 6 SHEETS-SHEET 2.

- 110.745.542. PATENTED DEC. 1, 1903.

' 0. WALES.

CARRYING MECHANISM FOR ADDING MACHINES.

APPLICATION FILED SEPT. 17, 1902.

N0 MODEL. 6 SHEETSSHEBT 4.

INVENTOR Md TTORNEY" No. 745,542. PATENTED DEC. 1, 1903.

- 0. WALES.

CARRYING MECHANISM FOR ADDING MACHINES.

APPLIOATION FILED SEPT. 17, 1902.

N0 MODEL.

' a SHEETS-SHEET 5.

WITNESSES: INVENTOR I mzw Wau @WW 1 I M JfiQATTORNEY m: NORRIS Pnzns co.Pwo'rdumm WASHINGTON. n c.

UNITED STATES Patented December 1, 1903".

PATENT OFFICE.

CHARLES ALES, OF DETROIT, lliICHIGAN.

SPECIFICATION forming part of letters Patent No. 745,542, dated December1, 1903.

Application filed September 17, 1902. Serial No. 123.742. (No model!) Toa whom it may concern;

Be it known that 1, CHARLES WALES, a citizen of the United States, and aresident of Detroit, in the county of \Vayne and State of Michigan, haveinvented certain new and use ful Improvements in Carrying Mechanisms forAdding-Machines, of which the following is a specification.

My invent-ion relates to adding-machines adapted to be operated by keysbearing numerals and provided with a sight-register for displaying theresult of the calculation, and more particularly to that part of themechanism designed to effect the operation of carrying a total from onecolumn of figures to another when it reaches an amount greater than thehighest unit adapted to be recorded in the first column.

I have already described and claimed the general features of the machinein which the particular mechanism herein described and claimed forms apart in a copending application filed by me on the 12th day ofSeptember, 1902, Serial No. 123,133, and refer to that application for amore particular description of the general mechanism involved.

In the drawings, in which the same reference-numerals refer to the sameparts in all of the figures, Figure 1 is an exterior perspective view ofthe machine. Fig. 2 is a side elevation of a train of mechanism for onesection of the machine and some adjacent parts. Fig. 3 is a plan view ofthe machine with some of the upper parts removed. Fig. at is an enlargeddetail in perspective of the sliding bar and portions ofsome adjacentparts. Fig. 5 is an enlarged detail of one end of the mechanism as shownin Fig. 6. Fig. 6 is a front view of the upper parts of the machine backof the plane of the line 6 6 in Fig. 3. Fig. 7 is a side View of thecarrying mechanism and some of the parts of the machine relating moreparticularly thereto. Fig. 8 is a view similar to Fig. 7, showing thesame parts in different positions. Fig. 9 is a similar View showing thesame parts in yet different positions. Fig. 10 is the same as Fig. 9with additional parts added. Fig. 11 is a top plan view of a portion ofthe sliding bar 155 and its operating mechanism, and Fig. 12 is ade tailelevation of the parts shown in Fig. 11.

The machine has a keyboard and key-levers which will remain in eitherone of their two positions until moved therefrom by an impulse receivedfrom the operator through the keys or other parts of the machine. Theselevers operate a series of stops and intcrpose them into the path of theracks which determine the rotation of the numeralwhcels, the position ofthe particular stop thus interposed determining the extent of the wheelsrotation, and consequently the particular numeral on the periphery ofthe wheel in View when the rotation is checked.

The numeral on the key corresponds to the number displayed when thewheel comes to a standstill. A stop-and-release plate is employed, whichholds the racks until the number desired to be added has been written onthe keyboard. The racks are returned to their original positions throughthe action of a main operating-lever, which simultaneously rotates thenumeral-wheels communicating with the racks which have been displaced.The wheels are returned to zero by means of a rake which has a rotarymotion parallel to the wheels and which engages pins thereon. These pinsalso serve to set the carrying mechanism, which is the subject-matter ofthis present application and which when one wheel passes the numeral 9causes the next wheel to be moved one step or number.

Most of the working parts of the machine are held at rest bysprings,which immediately return them to their normal positions aftereach operation.

The frame of the machine is supported upon a reetangularbase-plate25,]1aving studs Qiat its corners to hold in position a suitable 'casing 21- Uprights 26 on either side are pre vided with forward arms 27and backward arms 28 at their upper parts, the former being connected tothe center of the upright by a brace 25), which connects with a shortarm 30. Another short arm 31' extends backward from the upright oppositethe arm 30. These parts are preferably made integral and stamped out ofone piece of metal. The duplicate sides of the frame thus constructedare connected by a series of horizontal bars, in cluding thosedesignated by the referencenumbers to $1, inclusive, running through themachine and fixed at their ends to the said pieces of the frame.

Posts 32, one at each side of the base-plate, at the forward endthereof, have a shaft 42 rotatably mounted thereon, and to this shaft anO1)Ol'tl]ll'lQ-Cl.t1lk 50 and two short arms 51 are keyed. The crank 50is provided with an ordinary handle 52, by which it is drawn forward tooperate the machine. It is restricted in its forward movement by a stop53 and is held normally in its backward position against a stop 54: by atension-spring 55, connected to the right arm 51 through alink 50. Thecrank in its oscillation describes an are slightly less than ninetydegrees.

The keyboard, levers, and stops are made separable from the other partsof the machine and may be removed from the machine and replaced withoutdisturbing the same in any way.

Each key-lever 63 has a vertical stop-rod 67 on its inner end, the rodsconnected with each row of keys and levers being alined in substantiallythe same plane therewith. As the keylevers are arranged in parallelpairs, the ends of the stop-rods 67 attached at one end and of thekeyrods 68 attached at the opposite end are bent slightly near thepoints of attachment to secure perfect alinement of the upper ends withthese rods. The levers (53 also are made of unequal length to secure theproper spacing of the rods and keys. The stop-rods (57 are of graduatedlengths, so that their upper ends will be normally in the same plane,and upon them resetting-dogs 70 impinge. One of these dogs 70 isprovided for each row of stops and serves the double purpose of checkingthe movement of the rack to which it is opposed and of returning thedisplaced stop and key to their original positions after an operation orwhen acted upon by the resetting mechanism.

Reciprocating rack-bars 71 are supported upon the upper ends of rockingarms 7 and levers 7 a, which are mounted upon the horizontal bars 33 and34.,respectively. A tension spring 75 is secured to the arm 7 2-3 aboveits pivot and to the lever 74: below its pivot, so that the said spring7 5 has a tendency to throw the upper ends of said parts and therack-bar itself forward. Each rackbar 71 is held in its backwardposition by a release plate 80, which engages a notch 7 U in the upperedge thereof. Its forward movement is still further restrained by thedog 70, which lies normally in its path.

The plate rocks upon a bar 83, mounted in the side frames, and has anarm 81 extending from one end through a lip 21, which forms the rear endof the front section 22 of the cover, by pressing which arm the platemay be released from engagement with the rack-bars. A resettingplate 82,extending in shaft 91.

sate for the digression of the rack-bar 71 from the horizontal in itsmovements, the curve being the reverse of the are described by the arm73 and lever 74.

The pinions 78 move indelicndently of the numeral-wheels and carry withthem seetors 75). A pawl 88 with a spring 89 is mounted upon eachsector. The nu meral-wheels ()0, w ith their respective pinions, areseparated and held in their longitudinal positions on the shaft 01 bysmall collars 92.

Each one of the wheels 00 has a ratchet 5.3 fixed thereto, which isengaged by the pawl 88, so that when the pinion 7S and its pawl 88 arerotated by the backward movement of the rack 77 the pawl will engage theratchet 93 and rotate it in proportion to the extent of the backwardmovem ent of the rack, which movement is equal to its forward movementas determined by the particular stop interposed into its path.

The backward movement of the racks is accomplished by the forwardmovement of the operating-crank 50 and arm 51, which draws forward therods 58, secured to said. arms, and the cross-bar 57, extending acrossthe machine and secured at its ends to the rear ends of the rods 58. Asthe bar 57 moves forward it will carry with it any of the lower ends ofthe lovers 7 a which may be back of their normal positions. It will beseen that this movement of the levers 7% causes the backward movement ofthe racks 77 and the consequent rotation of the wheels .10. The rod 57is supported by swinging arms 5!), depending from the bar 34-, and isreturned to its original position after a forward movement by theretraction of the spring The key-resetting mechanism comprises a rod813, provided with a hook 87, which extends from one of the arms 51.through the plate It will appear that as the arm 5.1. moves forward thehook 87 will engage the plate 82 and cause the latter to press the dogs70 down upon the upper ends of the stop-rods 67 until the dogs arebrought into contact with the thickened portion if) of the plate 47, andthus return the rods (37 to their normal positions. The plate 82 isreturned to its position by a tension-spring 101., which forces theupper part of the rod 80 against it.

Pins 97, projecting laterally in pairs from the numeral-wheels 90, arediametrically opposite each other in juxtaposition to the 5 mark of thewheel. They form an essential part of the zero-setting mechanism andalso serve to set in operation the carryingmechanism, which acts to moveeach wheel one step or number when the next wheel to the right passesthe numeral 9. A trigger 130 with a beveled head 1.31 is locatedadjacent to each numeral-wheel and secured at its lower end to a sleeve1 33 on the bar 37 and held in its rearward position by a spring 1 (30,secured at its other end to a transverse bar 4L8. In a notch 132 of thetrigger 130 the forward end of a small connecting-lever 135, pivoted onthe bar 40, is held, and to the opposite end of this lever is connecteda jack 140. A tension-spring 142 is secured to a central rearwardprojection 144 on this jack and is also secured at its upper end to thebar 36, which is raised intermediate its ends above the frame of themachine. The purpose of this spring 142 is to lift the jack and throwforward its upper end, formed as a cog-tooth 141, whereby the saidcog-tooth will engage the teeth 94 on the numeral-wheel 90 and at thesame time cause by its upward action therotation of said wheel. Sleeves134 on the bar 37 separate the endmost sleeves 133 from the side frame.

As the numeral-wheel rotates it reaches a point where the 9 mark passesthe rule 165, mounted on the bar 167, which is half a revolution, andthe pin 97 strikes the beveled surface of the trigger-head 131 andthrows the trigger forward, thus releasing the end of theconnecting-lever 135 and causing the same to bear upon the upper edge ofa laterallysliding bar 155. This movement takes place as the main crank50 and its arm 51 are drawn forward. The sliding bar 155 is supported atits ends on the arms 30 of the side frames and has mortises 157, one foreach lever 135, in its upper edge and a lug 156 at one end adapted toengage the head 151 of arm 150 to move the bar lengthwise in onedirection to the left. The movement of the bar 155 in the oppositedirection is caused by a spring 158, which has one of its ends connectednear the middle of the bar and the other of it ends connected to the arm31. The movements of the bar 155 are checked at the proper point bysteps 150 at each end and which abut against the arm 30. The lug 156 isbent slightly forward and the head 151 projected on the left side of thearm 150 and is turned upwardly on its forward edge, so that it will passover the lug in moving forward and drop down to the right near the endof said movement,its point always resting on bar 155. The armis helddown by a spring 170, connecting with the rod 58.

The arm 150 is attached at its lower end to the crank-arm 51, so that itwill move forward and backward with said crank-arm. The inclined surfaceof the outer end or head 151 in moving backward engages the lug 156, andthus forces the bar 155 to slide to the left, the arm 150 beingsupported laterally during this action by apin 163 011 aprojection 164of the side frame. hen the bar 155 slides to the left, the recesses 157are brought beneath the forward ends of the levers 135, and when one ofthese levers has been released from the notch 132 this action will tripthe carryin g-jack 140, which jumps upward when the lever end enters therecess 157, thus causing the cog 141 to engage with the teeth 94 of thenumeral-wheel 90, an d thereby moves the said wheel one step. Thisaction, as will be seen, takes place with the backward movement of themain crank. As the crank 50 and the arm 51 move farther backward a rod14.), se-

cured to the latter, will rotate the bar 30 by means of an arm 147 fixedthereto and cause a depressing-bar 146 on arms 145 to bear down upon arear extension 143 of the jack 140 and restore it to its formerposition, where it is then held by the engagement of the lever135 withthe trigger-notch 132 until the mechanism is again setin motion. Thebar146 rests normally in notches 148 in the extensions 143 providedtherefor and moves up and down with each oscillation of the crank 50,restoring to position in its downward movement anyof the jacks which mayhave been in operation. lVhen the jack has been depressed to the properposition, the depressing motion is checked by a bent pin 168 011 theconnectinglever 135, which is brought into contact with the forward edgeof the jack, near the point of its connection with said lever 135.

It willbe seen that when one of the numeralwheels is at 9 and it ismoved a step or numberby the carrying mechanism set in operation by thenext wheel to the right it will trip the carrying mechanism for the nextwheel to the left, thus advancing the wheel to the left one step ornumber. For instance, let us assume that the number registered is 94 andthat it is desired to add six to this number, thus advancing the totalnumber to 100. As the first wheel on the right passes fl with theforward movement of the main operating-crank it trips the carryingmechanism for the next wheel to the left, so that on the return movementof the crank this wheel is advanced to 0; but this movement carries thesecond wheel past 9, and therefore trips the carrying mechanism for thethird wheel, and as the aperture in the sliding bar is already beneaththe connectin lever 135 for the carrying mechanism of this wheel it willmove almost simultaneously with the second wheel to 1 thus giving th 7total 100.

lVhat I claim is- 1. The'combination of registeriug-whecls, means formoving the same individually, a carrying mechanism connected with saidmovin g mechanism comprising projections on said wheels, a trippingmechanism adapted to be operated by contact with said projections whenone or more of the wheels passes a point where the figure 9 isregistered, and alaterallyreciprocating recessed bar acting inconjunction with said tripping mechanism.

2. The combination of registeringwheels, means for operating the sameindividually, a carrying mechanism connected with said operating meanscomprising a tripping mechanism adapted to be set in operation bycontact with said registering-wheels, a jack, cogs 011 saidregistering-wheels adapted to be engaged by said jack, means formaintaining a constant pressure on said jack in the direction of thecogs, and alaterally-reciproeating bar having recesses for setting thejack to act.

The combination of registering-wheels, means for operating each of saidwheels independently of the others, a carrying mechanism connected withsaid operating means comprising a trigger adapted to be set by contactwith a registering-wheel, a jack held normally out of contact with saidwheels and adapted to engage the same when tripped, and a reciprocatingbar provided with apertu res or recesses intermittently in the path of aportion of the tripped mechanism.

4. The combination of registering-wheels, mechanism for operating thesame individually, a carrying mechanism connected with said operatingmechanism comprising projections on said wheels, triggers normally inthe path of said projections, connecting-levers held in position bycontact with said triggers, and means whereby said wheels are moved onestep or number through the disengagement of said levers from thetriggers, and a laterally-reciprocatin g bar having recesses to receivethe levers.

5. The combination of register-ing-wheels, mechanism for moving the sameindividually, and carrying mechanisms connected with the said movingmechanism comprising a projection on a register-wheel, an arm having aportion in the path of said projection, a lever held in position bycontact with said arm, a jack connected to said lever, cogs or teeth onregister-wheels, means for maintaining a constant tendency of said jackin the direction of the cogs, whereby the contact of the projection onthe wheel disengages the connecting-lever and allows the jack to engagethe cogs, and a laterally-re ciprocating bar having recesses to receivethe end of the lever.

(3. The combination of register-wheels,

" mechanism for operating the same individua jack, cogs on the wheelnext to the one first mentioned, and means for impelling said jack intocontact with said cogs when the lever is disengaged from the trigger,and a laterallyreciprocating bar having recesses to receive the end ofthe lever.

7. The combination of register wheels, means for operating the sameindividually, and carrying mechanism connected with said operating meanscomprising a pivoted arm, a projection on one of the register-wheels, acoggcd portion on the adjoining registerwheel, a jack and means formaintaining a constant tendency of said jack in the direction of thecogs on said adjoining wheel, an arm having a portion normallyin thepath of the projection on the first-named wheel, a lever connected withsaid jack and held in position by contact with said arm, whereby, whenthe projection on the first wheel contacts with the arm, the j ael; willbe caused to engage the cogged portion of the ad j oinin gwheel, and alaterally-reciprocating bar having recesses to receive the end of thelever.

8. The combination of register -wheels, mechanism for operating the sameindividually, and carryingmechanism connected with said moving mechanismcomprising a tripping means operated by one wheel, and adapted to movethe adjoining wheel one step or number, a laterally-reciprocating barhaving recesses and acting in conjunction with said tripping mechanismand a rock-bar connected with the said operating mechanism for returningsaid carrying mechanism to its normal position.

lVitnessmy hand this 28th day of August, 1902, at the city of PortHuron, in the county of St. Clair and State of Michigan.

CHARLES \VAL'ICS.

'itnesses:

PETER J. Aer, \Vn. L. JANUARY.

